content: /*
   * Copyright 2011-2016 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package ix;
  
  import java.util.Iterator;
  
  final class IxRepeatPredicate<T> extends Ix<T> {
  
      final T value;
  
      final long count;
  
      final IxBooleanSupplier stopPredicate;
  
      IxRepeatPredicate(T value, long count, IxBooleanSupplier stopPredicate) {
          this.value = value;
          this.stopPredicate = stopPredicate;
          this.count = count;
      }
  
      @Override
      public Iterator<T> iterator() {
          return new RepeatPredicateIterator<T>(value, count, stopPredicate);
      }
  
      static final class RepeatPredicateIterator<T> extends IxBaseIterator<T> {
  
          final T valueToRepeat;
  
          long count;
  
          final IxBooleanSupplier stopPredicate;
  
          RepeatPredicateIterator(T value, long count, IxBooleanSupplier stopPredicate) {
              this.valueToRepeat = value;
              this.stopPredicate = stopPredicate;
              this.count = count;
          }
  
          @Override
          protected boolean moveNext() {
              long c = count--;
              if (c != 0L && !stopPredicate.getAsBoolean()) {
                  value = valueToRepeat;
                  hasValue = true;
                  return true;
              }
              done = true;
              return false;
          }
  
      }
  }
  